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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QSettings>
#include "common/common_paths.h"
#include "common/file_util.h"
#include "core/core.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/submission_package.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
#include "yuzu/compatibility_list.h"
#include "yuzu/game_list.h"
#include "yuzu/game_list_p.h"
#include "yuzu/game_list_worker.h"
#include "yuzu/uisettings.h"
namespace {
QString GetGameListCachedObject(const std::string& filename, const std::string& ext,
const std::function<QString()>& generator) {
if (!UISettings::values.cache_game_list || filename == "0000000000000000") {
return generator();
}
const auto path = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP + "game_list" +
DIR_SEP + filename + '.' + ext;
FileUtil::CreateFullPath(path);
if (!FileUtil::Exists(path)) {
const auto str = generator();
QFile file{QString::fromStdString(path)};
if (file.open(QFile::WriteOnly)) {
file.write(str.toUtf8());
}
return str;
}
QFile file{QString::fromStdString(path)};
if (file.open(QFile::ReadOnly)) {
return QString::fromUtf8(file.readAll());
}
return generator();
}
std::pair<std::vector<u8>, std::string> GetGameListCachedObject(
const std::string& filename, const std::string& ext,
const std::function<std::pair<std::vector<u8>, std::string>()>& generator) {
if (!UISettings::values.cache_game_list || filename == "0000000000000000") {
return generator();
}
const auto path1 = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP + "game_list" +
DIR_SEP + filename + ".jpeg";
const auto path2 = FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) + DIR_SEP + "game_list" +
DIR_SEP + filename + ".appname.txt";
FileUtil::CreateFullPath(path1);
if (!FileUtil::Exists(path1) || !FileUtil::Exists(path2)) {
const auto [icon, nacp] = generator();
QFile file1{QString::fromStdString(path1)};
if (!file1.open(QFile::WriteOnly)) {
LOG_ERROR(Frontend, "Failed to open cache file.");
return generator();
}
if (!file1.resize(icon.size())) {
LOG_ERROR(Frontend, "Failed to resize cache file to necessary size.");
return generator();
}
if (file1.write(reinterpret_cast<const char*>(icon.data()), icon.size()) != icon.size()) {
LOG_ERROR(Frontend, "Failed to write data to cache file.");
return generator();
}
QFile file2{QString::fromStdString(path2)};
if (file2.open(QFile::WriteOnly)) {
file2.write(nacp.data(), nacp.size());
}
return std::make_pair(icon, nacp);
}
QFile file1(QString::fromStdString(path1));
QFile file2(QString::fromStdString(path2));
if (!file1.open(QFile::ReadOnly)) {
LOG_ERROR(Frontend, "Failed to open cache file for reading.");
return generator();
}
if (!file2.open(QFile::ReadOnly)) {
LOG_ERROR(Frontend, "Failed to open cache file for reading.");
return generator();
}
std::vector<u8> vec(file1.size());
if (file1.read(reinterpret_cast<char*>(vec.data()), vec.size()) !=
static_cast<s64>(vec.size())) {
return generator();
}
const auto data = file2.readAll();
return std::make_pair(vec, data.toStdString());
}
void GetMetadataFromControlNCA(const FileSys::PatchManager& patch_manager, const FileSys::NCA& nca,
std::vector<u8>& icon, std::string& name) {
std::tie(icon, name) = GetGameListCachedObject(
fmt::format("{:016X}", patch_manager.GetTitleID()), {}, [&patch_manager, &nca] {
const auto [nacp, icon_f] = patch_manager.ParseControlNCA(nca);
return std::make_pair(icon_f->ReadAllBytes(), nacp->GetApplicationName());
});
}
bool HasSupportedFileExtension(const std::string& file_name) {
const QFileInfo file = QFileInfo(QString::fromStdString(file_name));
return GameList::supported_file_extensions.contains(file.suffix(), Qt::CaseInsensitive);
}
bool IsExtractedNCAMain(const std::string& file_name) {
return QFileInfo(QString::fromStdString(file_name)).fileName() == QStringLiteral("main");
}
QString FormatGameName(const std::string& physical_name) {
const QString physical_name_as_qstring = QString::fromStdString(physical_name);
const QFileInfo file_info(physical_name_as_qstring);
if (IsExtractedNCAMain(physical_name)) {
return file_info.dir().path();
}
return physical_name_as_qstring;
}
QString FormatPatchNameVersions(const FileSys::PatchManager& patch_manager,
Loader::AppLoader& loader, bool updatable = true) {
QString out;
FileSys::VirtualFile update_raw;
loader.ReadUpdateRaw(update_raw);
for (const auto& kv : patch_manager.GetPatchVersionNames(update_raw)) {
const bool is_update = kv.first == "Update" || kv.first == "[D] Update";
if (!updatable && is_update) {
continue;
}
const QString type = QString::fromStdString(kv.first);
if (kv.second.empty()) {
out.append(QStringLiteral("%1\n").arg(type));
} else {
auto ver = kv.second;
// Display container name for packed updates
if (is_update && ver == "PACKED") {
ver = Loader::GetFileTypeString(loader.GetFileType());
}
out.append(QStringLiteral("%1 (%2)\n").arg(type, QString::fromStdString(ver)));
}
}
out.chop(1);
return out;
}
QList<QStandardItem*> MakeGameListEntry(const std::string& path, const std::string& name,
const std::vector<u8>& icon, Loader::AppLoader& loader,
u64 program_id, const CompatibilityList& compatibility_list,
const FileSys::PatchManager& patch) {
const auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);
// The game list uses this as compatibility number for untested games
QString compatibility{QStringLiteral("99")};
if (it != compatibility_list.end()) {
compatibility = it->second.first;
}
const auto file_type = loader.GetFileType();
const auto file_type_string = QString::fromStdString(Loader::GetFileTypeString(file_type));
QList<QStandardItem*> list{
new GameListItemPath(FormatGameName(path), icon, QString::fromStdString(name),
file_type_string, program_id),
new GameListItemCompat(compatibility),
new GameListItem(file_type_string),
new GameListItemSize(FileUtil::GetSize(path)),
};
if (UISettings::values.show_add_ons) {
const auto patch_versions = GetGameListCachedObject(
fmt::format("{:016X}", patch.GetTitleID()), "pv.txt", [&patch, &loader] {
return FormatPatchNameVersions(patch, loader, loader.IsRomFSUpdatable());
});
list.insert(2, new GameListItem(patch_versions));
}
return list;
}
} // Anonymous namespace
GameListWorker::GameListWorker(FileSys::VirtualFilesystem vfs,
FileSys::ManualContentProvider* provider,
QVector<UISettings::GameDir>& game_dirs,
const CompatibilityList& compatibility_list)
: vfs(std::move(vfs)), provider(provider), game_dirs(game_dirs),
compatibility_list(compatibility_list) {}
GameListWorker::~GameListWorker() = default;
void GameListWorker::AddTitlesToGameList(GameListDir* parent_dir) {
using namespace FileSys;
const auto& cache =
dynamic_cast<ContentProviderUnion&>(Core::System::GetInstance().GetContentProvider());
std::vector<std::pair<ContentProviderUnionSlot, ContentProviderEntry>> installed_games;
installed_games = cache.ListEntriesFilterOrigin(std::nullopt, TitleType::Application,
ContentRecordType::Program);
if (parent_dir->type() == static_cast<int>(GameListItemType::SdmcDir)) {
installed_games = cache.ListEntriesFilterOrigin(
ContentProviderUnionSlot::SDMC, TitleType::Application, ContentRecordType::Program);
} else if (parent_dir->type() == static_cast<int>(GameListItemType::UserNandDir)) {
installed_games = cache.ListEntriesFilterOrigin(
ContentProviderUnionSlot::UserNAND, TitleType::Application, ContentRecordType::Program);
} else if (parent_dir->type() == static_cast<int>(GameListItemType::SysNandDir)) {
installed_games = cache.ListEntriesFilterOrigin(
ContentProviderUnionSlot::SysNAND, TitleType::Application, ContentRecordType::Program);
}
for (const auto& [slot, game] : installed_games) {
if (slot == ContentProviderUnionSlot::FrontendManual)
continue;
const auto file = cache.GetEntryUnparsed(game.title_id, game.type);
std::unique_ptr<Loader::AppLoader> loader = Loader::GetLoader(file);
if (!loader)
continue;
std::vector<u8> icon;
std::string name;
u64 program_id = 0;
loader->ReadProgramId(program_id);
const PatchManager patch{program_id};
const auto control = cache.GetEntry(game.title_id, ContentRecordType::Control);
if (control != nullptr)
GetMetadataFromControlNCA(patch, *control, icon, name);
emit EntryReady(MakeGameListEntry(file->GetFullPath(), name, icon, *loader, program_id,
compatibility_list, patch),
parent_dir);
}
}
void GameListWorker::ScanFileSystem(ScanTarget target, const std::string& dir_path,
unsigned int recursion, GameListDir* parent_dir) {
const auto callback = [this, target, recursion,
parent_dir](u64* num_entries_out, const std::string& directory,
const std::string& virtual_name) -> bool {
if (stop_processing) {
// Breaks the callback loop.
return false;
}
const std::string physical_name = directory + DIR_SEP + virtual_name;
const bool is_dir = FileUtil::IsDirectory(physical_name);
if (!is_dir &&
(HasSupportedFileExtension(physical_name) || IsExtractedNCAMain(physical_name))) {
const auto file = vfs->OpenFile(physical_name, FileSys::Mode::Read);
auto loader = Loader::GetLoader(file);
if (!loader) {
return true;
}
const auto file_type = loader->GetFileType();
if (file_type == Loader::FileType::Unknown || file_type == Loader::FileType::Error) {
return true;
}
u64 program_id = 0;
const auto res2 = loader->ReadProgramId(program_id);
if (target == ScanTarget::FillManualContentProvider) {
if (res2 == Loader::ResultStatus::Success && file_type == Loader::FileType::NCA) {
provider->AddEntry(FileSys::TitleType::Application,
FileSys::GetCRTypeFromNCAType(FileSys::NCA{file}.GetType()),
program_id, file);
} else if (res2 == Loader::ResultStatus::Success &&
(file_type == Loader::FileType::XCI ||
file_type == Loader::FileType::NSP)) {
const auto nsp = file_type == Loader::FileType::NSP
? std::make_shared<FileSys::NSP>(file)
: FileSys::XCI{file}.GetSecurePartitionNSP();
for (const auto& title : nsp->GetNCAs()) {
for (const auto& entry : title.second) {
provider->AddEntry(entry.first.first, entry.first.second, title.first,
entry.second->GetBaseFile());
}
}
}
} else {
std::vector<u8> icon;
[[maybe_unused]] const auto res1 = loader->ReadIcon(icon);
std::string name = " ";
[[maybe_unused]] const auto res3 = loader->ReadTitle(name);
const FileSys::PatchManager patch{program_id};
emit EntryReady(MakeGameListEntry(physical_name, name, icon, *loader, program_id,
compatibility_list, patch),
parent_dir);
}
} else if (is_dir && recursion > 0) {
watch_list.append(QString::fromStdString(physical_name));
ScanFileSystem(target, physical_name, recursion - 1, parent_dir);
}
return true;
};
FileUtil::ForeachDirectoryEntry(nullptr, dir_path, callback);
}
void GameListWorker::run() {
stop_processing = false;
for (UISettings::GameDir& game_dir : game_dirs) {
if (game_dir.path == QStringLiteral("SDMC")) {
auto* const game_list_dir = new GameListDir(game_dir, GameListItemType::SdmcDir);
emit DirEntryReady(game_list_dir);
AddTitlesToGameList(game_list_dir);
} else if (game_dir.path == QStringLiteral("UserNAND")) {
auto* const game_list_dir = new GameListDir(game_dir, GameListItemType::UserNandDir);
emit DirEntryReady(game_list_dir);
AddTitlesToGameList(game_list_dir);
} else if (game_dir.path == QStringLiteral("SysNAND")) {
auto* const game_list_dir = new GameListDir(game_dir, GameListItemType::SysNandDir);
emit DirEntryReady(game_list_dir);
AddTitlesToGameList(game_list_dir);
} else {
watch_list.append(game_dir.path);
auto* const game_list_dir = new GameListDir(game_dir);
emit DirEntryReady(game_list_dir);
provider->ClearAllEntries();
ScanFileSystem(ScanTarget::FillManualContentProvider, game_dir.path.toStdString(), 2,
game_list_dir);
ScanFileSystem(ScanTarget::PopulateGameList, game_dir.path.toStdString(),
game_dir.deep_scan ? 256 : 0, game_list_dir);
}
};
emit Finished(watch_list);
}
void GameListWorker::Cancel() {
this->disconnect();
stop_processing = true;
}
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